WO1998024159A2 - Accidental arc absorber device with several absorber elements - Google Patents

Accidental arc absorber device with several absorber elements Download PDF

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Publication number
WO1998024159A2
WO1998024159A2 PCT/DE1997/002822 DE9702822W WO9824159A2 WO 1998024159 A2 WO1998024159 A2 WO 1998024159A2 DE 9702822 W DE9702822 W DE 9702822W WO 9824159 A2 WO9824159 A2 WO 9824159A2
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WO
WIPO (PCT)
Prior art keywords
absorber
perforated plates
absorber device
arc
lbl
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Application number
PCT/DE1997/002822
Other languages
German (de)
French (fr)
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WO1998024159A3 (en
Inventor
Martin Betzmann
Helmut Späck
Günter-Gustav HARBECKE
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Siemens Aktiengesellschaft
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Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to DK97952700T priority Critical patent/DK0941565T3/en
Priority to AT97952700T priority patent/ATE198954T1/en
Priority to EP97952700A priority patent/EP0941565B1/en
Priority to DE59702965T priority patent/DE59702965D1/en
Publication of WO1998024159A2 publication Critical patent/WO1998024159A2/en
Publication of WO1998024159A3 publication Critical patent/WO1998024159A3/en
Priority to NO19992591A priority patent/NO316730B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect

Definitions

  • Arc fault absorber device with several absorber elements
  • the invention relates to an internal arc absorber device with a plurality of absorber elements for pressure relief and for heat dissipation of switching gases, in particular for medium-voltage switchgear.
  • An arcing device of this type is u. a. known from DE 42 20 790 AI.
  • the internal arc absorber device is attached to the rear of an arc-proof switching cell and, in the event of an internal arc, enables the resulting hot gases to enter the internal arc absorber device through a passage opening provided in the switching cell.
  • the hot gases are conducted through a channel adjoining the passage opening to an outflow opening, and are thus led out of the medium-voltage switchgear.
  • Zichzackför ig bent sheets with holes are arranged within the duct-like arc absorber device, which essentially cause the swirling of the hot gases so that they can cool down on the sheets accordingly.
  • An arc absorber is known from DE 44 03 355 A1, in which a plurality of heat exchanger plates are provided within a housing and divide the interior of the housing into channels that taper in the direction of flow. There are also so-called interlacing lungs grid provided for cooling the hot gases in the
  • the object on which the invention is based is to define an arcing fault absorber device which is of a structurally substantially simplified design and in which largely standardized components are used, with which both the heat exchange and the pressure relief to the outside can be implemented without restrictions. According to the invention, this is due to the features
  • the arcing device is equipped with perforated plates of the same shape
  • the perforated plates are arranged in the form of lamellas in the arcing device
  • the perforated plates are arranged in their length dimension within the internal arc absorber device in the direction of flow,
  • the perforated plates are staggered in the arcing device so that there is always an increase in volume in the area of the flow of the switching gases after the openings in the perforated plates.
  • perforated plates of the same shape which are in the form of lamellar arc absorber devices are arranged that the flowing hot gases after the
  • Openings of the perforated plates are always led into an extended space, a very high degree of swirling for the hot switching gases is achieved with very simple means.
  • the perforated sheets are stored in the internal arc absorber devices in the side area of the same and are fixed in position there.
  • the perforated sheets have knob-shaped punch openings
  • the perforated sheets are each arranged in a mirror-like manner offset from one another in the arc-fault absorber device. Due to the knob-shaped punched openings, the perforated plate has a very high stability overall, whereby the pressure deformation in the event of an arcing fault is largely avoided.
  • the perforated plates are realized by baffles arranged at approximately half a right angle to the flow direction of the switching gases, which are mutually attached to the boundary area of the arcing device,
  • baffles are arranged approximately at right angles to each other, given.
  • baffles which are offset on one side within the internal arc absorber device and are at half a right angle to the flow of the gases, are approximately at right angles to one another and are arranged at a distance from the next at the free ends, result in a very high degree of turbulence and thus increase the degree of cooling of the hot gases.
  • FIGS. 1 to 3 The invention is explained in more detail by three exemplary embodiments in FIGS. 1 to 3, in which the internal arc absorber devices are shown in cross section as a flow channel.
  • FIG. 1 shows the arcing fault absorber device SA, in the interior of which three perforated plates LB1, LB2 and LB3 are arranged.
  • the perforated plates LB1, LB2, LB3 are bent in a roof shape and each have holes in the middle of the upward or downward slope, through which the hot gases are swirled as they pass.
  • the perforated plates LB1, LB2 and LB3 are arranged such that the interior always expands in the area of the flow of the switching gases after the openings in the perforated plates LB1, LB2, LB3. This expansion of the interior creates strong eddies of the switching gases so that they can be cooled accordingly on the corresponding perforated plates LB1, LB2, LB3.
  • the flow rate of the gases is reduced due to the strong turbulence, so that the gases are safely removed from the switchgear.
  • FIG. 2 shows an arcing fault absorber device in which the absorber elements as perforated plates LB1, LB2, LBn are provided with punched openings SO designed in the form of nubs.
  • the perforated plates LBl, LB2, LBn are here within the interference Arc absorber device SA arranged mirror-symmetrically, so that here, too, mutually volume-changing cavities are formed in the direction of flow of the gases.
  • a very strong swirling of the hot gases is also achieved, in which the pressure in the outlet area of the arcing device has also decreased to allowable limit values.
  • the knob-shaped perforated plates LB1, LB2, LBn are inherently very stable, so that even under greater pressure loads, a pressure deformation of these perforated plates LB1, LB2, LBn is prevented.
  • FIG. 3 shows an arcing fault absorber device SA, which is provided in the area of the outer boundary with baffles BL1, BL2, BL3 which are bent at approximately half an angle to the direction of flow.
  • the baffles BL1, BL2, BL3 are mutually fixed in position on the outside of the arcing device SA.
  • the guide plates BL1, BL2, BL3 are arranged at right angles to one another in such a way that their free ends with the respective subsequent guide plates BL1, BL2 and BL3 form an unspecified slot opening through which the inflowing gases are also swirled.

Abstract

The invention relates to an accidental arc absorber device (SA) with several absorber elements for pressure relief and heat dissipation of gases from the switchgear, particularly for medium voltage switchgear. The absorber elements are formed of identically shaped non-aligned perforated plates (LB1, 2, 3), which are laminarly arranged within the accidental arc absorber device (SA). Accidental arc absorber devices are used for pressure relief and heat dissipation in medium voltage switchgear.

Description

Beschreibungdescription
Störlichtbogenabsorbereinrichtung mit mehreren AbsorberelementenArc fault absorber device with several absorber elements
Die Erfindung betrifft eine Störlichtbogenabsorbereinrichtung mit mehreren Absorberelementen zur Druckentlastung und zur Wärmeabführung von Schaltgasen, insbesondere für Mittelspannungsschaltanlagen .The invention relates to an internal arc absorber device with a plurality of absorber elements for pressure relief and for heat dissipation of switching gases, in particular for medium-voltage switchgear.
Eine Störlichtbogenabsorbereinrichtung dieser Art ist u. a. durch die DE 42 20 790 AI bekannt. Die Störlichtbogenabsorbereinrichtung ist dort an der Rückseite einer lichtbogenfest ausgeführten Schaltzelle angebracht und ermöglicht im Stör- lichtbogenfall, daß die dabei entstehenden heißen Gase durch eine in der Schaltzelle vorgesehene Durchtrittsö fnung in die Störlichtbogenabsorbereinrichtung gelangen. Im Störlichtbogenfall werden die heißen Gase durch einen an die Durchtrittsöffnung anschließenden Kanal zu einer Ausströmöffnung geleitet, und so aus der Mittelspannungsschaltanlage herausgeführt. Innerhalb der kanalartig ausgeführten Störlichtbogenabsorbereinrichtung sind zichzackför ig gebogene Bleche mit Löchern angeordnet, die im wesentlichen die Verwirbelung der heißen Gase bewirken, so daß sich diese an den Blechen entsprechend abkühlen können.An arcing device of this type is u. a. known from DE 42 20 790 AI. The internal arc absorber device is attached to the rear of an arc-proof switching cell and, in the event of an internal arc, enables the resulting hot gases to enter the internal arc absorber device through a passage opening provided in the switching cell. In the event of an arcing fault, the hot gases are conducted through a channel adjoining the passage opening to an outflow opening, and are thus led out of the medium-voltage switchgear. Zichzackför ig bent sheets with holes are arranged within the duct-like arc absorber device, which essentially cause the swirling of the hot gases so that they can cool down on the sheets accordingly.
Aus der DE 44 03 355 AI ist ein Lichtbogenabsorber bekannt, bei dem innerhalb eines Gehäuses mehrere Wärmetauscherbleche vorgesehen sind, die den Gehäuseinnenraum in sich in Strö- mungsrichtung verjüngende Kanäle unterteilen. Zwischen den Wärmetauscherblechen sind zusätzlich sogenannte Verwirbe- lungsgitter vorgesehen, die zur Abkühlung der heißen Gase imAn arc absorber is known from DE 44 03 355 A1, in which a plurality of heat exchanger plates are provided within a housing and divide the interior of the housing into channels that taper in the direction of flow. There are also so-called interlacing lungs grid provided for cooling the hot gases in the
Störlichtbogenfall beitragen.Arc fault contributing.
Durch die DE 21 41 685 AI ist außerdem bekannt, daß ein Durchbruch der Schaltanlage durch mehrere plissierte, gewellte oder meanderförmig geformte Streckmetallgitter abzudecken sind, um sowohl die heißen Gase aus der Schaltanlage zu führen als auch deren Abkühlung zu bewirken.From DE 21 41 685 AI it is also known that a breakdown of the switchgear must be covered by several pleated, corrugated or meandering expanded metal grids to both lead the hot gases out of the switchgear and cause it to cool down.
Die der Erfindung zugrundeliegende Aufgabe besteht darin, eine Störlichtbogenabsorbereinrichtung zu definieren, die konstruktiv wesentlich vereinfacht aufgebaut ist und in der wei- testgehend vereinheitlichte Bauelemente eingesetzt sind, mit denen sowohl der Wärmeaustausch als auch die Druckentlastung nach außen ohne Einschränkungen realisiert ist. Erfindungsgemäß wird dies durch die MerkmaleThe object on which the invention is based is to define an arcing fault absorber device which is of a structurally substantially simplified design and in which largely standardized components are used, with which both the heat exchange and the pressure relief to the outside can be implemented without restrictions. According to the invention, this is due to the features
1.1 die Störlichtbogenabsorbereinrichtung ist mit gleichartig geformten Lochblechen ausgestattet,1.1 the arcing device is equipped with perforated plates of the same shape,
1.2 die Lochbleche sind in der Störlichtbogenabsorberein- richtung lamellenförmig angeordnet,1.2 the perforated plates are arranged in the form of lamellas in the arcing device,
1.3 die Lochbleche sind in ihrer Längenausdehnung innerhalb der Störlichtbogenabsorbereinrichtung in Strömungsrichtung angeordnet,1.3 the perforated plates are arranged in their length dimension within the internal arc absorber device in the direction of flow,
1.4 die Lochbleche sind in der Störlichtbogenabsorberein- richtung derart versetzt angeordnet, daß sich im Bereich des Durchflusses der Schaltgase nach den Öffnungen der Lochbleche stets eine Volumenerweiterung ergibt, erreicht .1.4 the perforated plates are staggered in the arcing device so that there is always an increase in volume in the area of the flow of the switching gases after the openings in the perforated plates.
Mit dem Einsatz gleichartig geformter Lochbleche, die innerhalb der Störlichtbogenabsorbereinrichtung in Lamellenform so angeordnet sind, daß die durchfließenden heißen Gase nach denWith the use of perforated plates of the same shape, which are in the form of lamellar arc absorber devices are arranged that the flowing hot gases after the
Öffnungen der Lochbleche stets in einen erweiterten Raum geführt sind, ist mit sehr einfachen Mitteln ein sehr hoher Verwirbelungsgrad für die heißen Schaltgase erreicht . Die Lochbleche sind in den Störlichtbogenabsorbereinrichtungen im Seitenbereich derselben gelagert und dort lagefixiert.Openings of the perforated plates are always led into an extended space, a very high degree of swirling for the hot switching gases is achieved with very simple means. The perforated sheets are stored in the internal arc absorber devices in the side area of the same and are fixed in position there.
Gemäß einer vorteilhaften Ausgestaltung der Erfindung sind die Merkmale 2.1 die Lochbleche weisen noppenförmig ausgebildete Stanzöffnungen auf, 2.2 die Lochbleche sind in der Störlichtbogenabsorbereinrichtung jeweils spiegeiförmig versetzt zueinander angeordnet, vorgesehen. Durch die noppenförmigen Stanzöffnungen weist das Lochblech insgesamt eine sehr große Stabilität auf, wodurch die Druckverformungen im Störlichtbogenfall weitestgehend vermieden sind.According to an advantageous embodiment of the invention, features 2.1 are provided, the perforated sheets have knob-shaped punch openings, 2.2 the perforated sheets are each arranged in a mirror-like manner offset from one another in the arc-fault absorber device. Due to the knob-shaped punched openings, the perforated plate has a very high stability overall, whereby the pressure deformation in the event of an arcing fault is largely avoided.
Eine weitere vorteilhafte Ausgestaltung der Erfindung ist durch die MerkmaleA further advantageous embodiment of the invention is due to the features
3.1 die Lochbleche sind durch zur Strömungsrichtung der Schaltgase annähernd um einen halben rechten Winkel versetzt angeordnete Leitbleche realisiert, die einseitig wechselseitig am Begrenzungsbereich der Störlichtbogenabsorbereinrichtung befestigt sind,3.1 the perforated plates are realized by baffles arranged at approximately half a right angle to the flow direction of the switching gases, which are mutually attached to the boundary area of the arcing device,
3.2 die Leitbleche sind annähernd im rechten Winkel zueinander versetzt angeordnet, gegeben.3.2 the baffles are arranged approximately at right angles to each other, given.
Die innerhalb der Störlichtbogenabsorbereinrichtung einseitig versetzt und zur Strömung der Gase im halben rechten Winkel liegenden Leitbleche, die annähernd rechtwinklig zueinander und an den freien Enden jeweils mit einem Abstand zum nächsten angeordnet sind, ergeben einen sehr hohen Verwirbelungsgrad und erhöhen somit den Abkühlungsgrad der heißen Gase.The baffles, which are offset on one side within the internal arc absorber device and are at half a right angle to the flow of the gases, are approximately at right angles to one another and are arranged at a distance from the next at the free ends, result in a very high degree of turbulence and thus increase the degree of cooling of the hot gases.
Die Erfindung wird durch drei Ausführungsbeispiele in den Figuren 1 bis 3 näher erläutert, in denen die Störlichtbogenab- sorbereinrichtungen als Durchflußkanal im Querschnitt dargestellt sind.The invention is explained in more detail by three exemplary embodiments in FIGS. 1 to 3, in which the internal arc absorber devices are shown in cross section as a flow channel.
Die Figur 1 zeigt die Störlichtbogenabsorbereinrichtung SA, in deren Innenraum drei Lochbleche LBl, LB2 und LB3 angeordnet sind. Die Lochbleche LBl, LB2 , LB3 sind dachförmig abgebogen und weisen jeweils im Mittenbereich der Steigung bzw. der Gefälle nicht bezeichnete Löcher auf, durch die die hei- ßen Gase bei ihrem Durchtritt entsprechend verwirbelt werden. In dieser Störlichtbogenabsorbereinrichtung SA sind die Lochbleche LBl, LB2 und LB3 derart versetzt angeordnet, daß sich im Bereich des Durchflusses der Schaltgase nach den Öffnungen der Lochbleche LBl, LB2 , LB3 stets der Innenraum erweitert. Durch diese Erweiterung des Innenraumes entstehen starke Ver- wirbelungen der Schaltgase, so daß diese an den entsprechenden Lochblechen LBl, LB2 , LB3 entsprechend abgekühlt werden können. Gleichzeitig mit der Abkühlung wird auch die Durchflußgeschwindigkeit der Gase durch die starke Verwirbelung herabgesetzt, so daß das Herausführen der Gase aus den Schaltanlagen gefahrlos erfolgt.FIG. 1 shows the arcing fault absorber device SA, in the interior of which three perforated plates LB1, LB2 and LB3 are arranged. The perforated plates LB1, LB2, LB3 are bent in a roof shape and each have holes in the middle of the upward or downward slope, through which the hot gases are swirled as they pass. In this internal arc absorber device SA, the perforated plates LB1, LB2 and LB3 are arranged such that the interior always expands in the area of the flow of the switching gases after the openings in the perforated plates LB1, LB2, LB3. This expansion of the interior creates strong eddies of the switching gases so that they can be cooled accordingly on the corresponding perforated plates LB1, LB2, LB3. At the same time as the cooling, the flow rate of the gases is reduced due to the strong turbulence, so that the gases are safely removed from the switchgear.
Die Figur 2 zeigt eine Störlichtbogenabsorbereinrichtung, bei der die Absorberelemente als Lochbleche LBl, LB2, LBn mit noppenförmig ausgebildeten Stanzöffnungen SO versehen sind.FIG. 2 shows an arcing fault absorber device in which the absorber elements as perforated plates LB1, LB2, LBn are provided with punched openings SO designed in the form of nubs.
Die Lochbleche LBl, LB2 , LBn sind hier innerhalb der Stör- lichtbogenabsorbereinrichtung SA spiegelsymmetrisch angeordnet, so daß sich auch hier wechselseitig in Strömungsrichtung der Gase volumenverändernde Hohlräume bilden. Mit dieser Ausgestaltung der Störlichtbogenabsorbereinrichtung SA wird ebenfalls eine sehr starke Verwirbelung der heißen Gase erreicht, bei der sich ebenfalls der Druck im Austrittsbereich der Störlichtbogenabsorbereinrichtung bis auf zulässige Grenzwerte abgebaut hat. Die noppenförmigen Lochbleche LBl, LB2, LBn sind in sich sehr stabil, so daß auch bei größerer Druckbelastung eine Druckverformung dieser Lochbleche LBl, LB2 , LBn verhindert ist.The perforated plates LBl, LB2, LBn are here within the interference Arc absorber device SA arranged mirror-symmetrically, so that here, too, mutually volume-changing cavities are formed in the direction of flow of the gases. With this embodiment of the arcing device SA, a very strong swirling of the hot gases is also achieved, in which the pressure in the outlet area of the arcing device has also decreased to allowable limit values. The knob-shaped perforated plates LB1, LB2, LBn are inherently very stable, so that even under greater pressure loads, a pressure deformation of these perforated plates LB1, LB2, LBn is prevented.
Die Figur 3 zeigt eine Störlichtbogenabsorbereinrichtung SA, die im Bereich der Außenbegrenzung mit entgegen zur Strö- mungsrichtung annähernd im halben Winkel abgebogene Leitbleche BL1, BL2, BL3 vorgesehen sind. Die Leitbleche BL1, BL2 , BL3 sind jeweils wechselseitig zueinander am Außenbereich der Störlichtbogenabsorbereinrichtung SA lagefixiert. Die Leitbleche BL1, BL2 , BL3 sind rechtwinklig so zueinander angeord- net, daß ihre freien Enden mit in jeweils nachfolgenden Leitblechen BL1, BL2 und BL3 eine nicht näher bezeichnete Schlitzöffnung bilden, durch die die einströmenden Gase ebenfalls verwirbelt werden. FIG. 3 shows an arcing fault absorber device SA, which is provided in the area of the outer boundary with baffles BL1, BL2, BL3 which are bent at approximately half an angle to the direction of flow. The baffles BL1, BL2, BL3 are mutually fixed in position on the outside of the arcing device SA. The guide plates BL1, BL2, BL3 are arranged at right angles to one another in such a way that their free ends with the respective subsequent guide plates BL1, BL2 and BL3 form an unspecified slot opening through which the inflowing gases are also swirled.

Claims

Patentansprüche claims
1. Störlichtbogenabsorbereinrichtung mit mehreren Absorberelementen zur Druckentlastung und zur Wärmeabführung von Schaltgasen, insbesondere für Mittelspannungsschaltanlagen, g e k e n n z e i c h n e t d u r c h die Merkmale 1.1 die Störlichtbogenabsorbereinrichtung (SA) ist mit gleichartig geformten Lochblechen (LBl, 2, n) ausgestattet, 1.2 die Lochbleche (LBl, 2, n) sind in der Störlichtbogenabsorbereinrichtung (SA) lamellenförmig angeordnet, 1.3 die Lochbleche (LBl, 2, n) sind in ihrer Längenausdehnung innerhalb der Störlichtbogenabsorbereinrichtung (SA) in Strömungsrichtung (SR) angeordnet, 1.4 die Lochbleche (LB) sind in der Störlichtbogenabsorbereinrichtung (SA) derart versetzt angeordnet, daß sich im Bereich des Durchflusses der Schaltgase nach den Öffnungen der Lochbleche (LB 1, 2, n) stets eine Volumenerweiterung ergibt .1. Arc fault absorber device with several absorber elements for pressure relief and heat dissipation of switching gases, in particular for medium-voltage switchgear, characterized by the features 1.1 the arc fault absorber device (SA) is equipped with perforated plates (LBl, 2, n) of the same shape, 1.2 the perforated plates (LBl, 2, n ) are arranged in the form of lamellas in the internal arc absorber device (SA), 1.3 the perforated sheets (LBl, 2, n) are arranged in their length dimension within the internal arc absorber device (SA) in the direction of flow (SR), 1.4 the perforated sheets (LB) are arranged in the internal arc absorber device (SA ) arranged in such a way that there is always an increase in volume in the area of the flow of the switching gases after the openings in the perforated plates (LB 1, 2, n).
2. Störlichtbogenabsorbereinrichtung nach Anspruch 1, g e k e n n z e i c h n e t d u r c h die Merkmale2. Arc fault absorber device according to claim 1, g e k e n n z e i c h n e t d u r c h the features
2.1 die Lochbleche (LBl, 2, n) weisen noppenförmig ausgebildete Stanzöffnungen (SO) auf, 2.2 die Lochbleche (LBl, 2, n) sind in der Störlichtbogenabsorbereinrichtung (SA) jeweils spiegeiförmig versetzt zueinander angeordnet .2.1 the perforated plates (LBl, 2, n) have knob-shaped punch openings (SO), 2.2 the perforated plates (LBl, 2, n) are each arranged in a mirror-like manner in the arcing device (SA).
3. Störlichtbogenabsorbereinrichtung nach Anspruch 1, g e k e n n z e i c h n e t d u r c h die Merkmale 3. Arc fault absorber device according to claim 1, characterized by the features
3.1 die Lochbleche sind durch zur Strömungsrichtung der3.1 the perforated plates are through to the direction of flow
Schaltgase annähernd um einen halben rechten Winkel versetzt angeordnete Leitbleche (BLl, 2, n) realisiert, die einseitig wechselseitig am Begrenzungsbereich der Störlichtbogenabsorbereinrichtung (SA) befestigt sind,Switching gases realized guide plates (BLl, 2, n) arranged approximately offset by half a right angle, which are mutually attached to the boundary area of the arcing device (SA),
3.2 die Leitbleche (BL) sind annähernd im rechten Winkel zueinander versetzt angeordnet . 3.2 the baffles (BL) are approximately offset at right angles to each other.
PCT/DE1997/002822 1996-11-29 1997-11-26 Accidental arc absorber device with several absorber elements WO1998024159A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK97952700T DK0941565T3 (en) 1996-11-29 1997-11-26 Absorber device for interfering arcs with multiple absorber elements
AT97952700T ATE198954T1 (en) 1996-11-29 1997-11-26 ARC FAULT ABSORBER DEVICE WITH SEVERAL ABSORBER ELEMENTS
EP97952700A EP0941565B1 (en) 1996-11-29 1997-11-26 Accidental arc absorber device with several absorber elements
DE59702965T DE59702965D1 (en) 1996-11-29 1997-11-26 ELECTRIC ARC ABSORBER DEVICE WITH SEVERAL ABSORBER ELEMENTS
NO19992591A NO316730B1 (en) 1996-11-29 1999-05-28 Noise arc absorption device with multiple absorption elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29621287U DE29621287U1 (en) 1996-11-29 1996-11-29 Arc fault absorber device with several absorber elements
DE29621287.3 1996-11-29

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WO1998024159A2 true WO1998024159A2 (en) 1998-06-04
WO1998024159A3 WO1998024159A3 (en) 1998-07-09

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EP (1) EP0941565B1 (en)
AT (1) ATE198954T1 (en)
DE (2) DE29621287U1 (en)
DK (1) DK0941565T3 (en)
ES (1) ES2154480T3 (en)
NO (1) NO316730B1 (en)
WO (1) WO1998024159A2 (en)

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US10332704B2 (en) 2016-04-19 2019-06-25 Abb Schweiz Ag Devices, systems, and methods for protection of switchgear against electrical arcs

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DE4220790A1 (en) * 1992-06-24 1994-01-05 Siemens Ag Electric-arc proof switch cubicle for switchgear and bus=bars - has pressure-relief system formed by duct arranged at rear side and extending over height of switch cubicle having only one outflow opening at cubicle top
DE4403355A1 (en) * 1994-02-03 1995-08-10 Gec Alsthom T & D Gmbh Arc absorber

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328833C (en) * 2002-05-15 2007-07-25 施耐德电器工业公司 Gas-insulated electrical installation provided with a device for dissipating energy produced by an electric arc
US8598484B2 (en) 2010-12-30 2013-12-03 General Electric Company System and apparatus for circuit protection within an equipment enclosure
US10332704B2 (en) 2016-04-19 2019-06-25 Abb Schweiz Ag Devices, systems, and methods for protection of switchgear against electrical arcs

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ES2154480T3 (en) 2001-04-01
DK0941565T3 (en) 2001-06-05
DE59702965D1 (en) 2001-03-01
ATE198954T1 (en) 2001-02-15
NO316730B1 (en) 2004-04-19
NO992591L (en) 1999-05-28
NO992591D0 (en) 1999-05-28
EP0941565B1 (en) 2001-01-24
DE29621287U1 (en) 1997-02-13
EP0941565A2 (en) 1999-09-15
WO1998024159A3 (en) 1998-07-09

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